org.geotools.mbstyle.expression

Class MBColor

Object

ExpressionAbstract

FunctionImpl

MBExpression

MBColor

All Implemented Interfaces:

Expression, Function

public class MBColor
extends MBExpression

A class to transform mapbox color expressions into GeoTools expressions.

Field Summary

Fields inherited from class MBExpression

colors, decisions, featureData, ff, heatMap, json, lookUp, math, name, parse, ramps, string, transformer, types, variableBindings, zoom

Fields inherited from class FunctionImpl

functionName

Fields inherited from interface Expression

NIL

Constructor Summary

Constructors

Constructor and Description
MBColor(JSONArray json)

Method Summary

Modifier and Type	Method and Description
Expression	colorRGB() Creates a color value from red, green, and blue components, which must range between 0 and 255, and an alpha component of 1.
Expression	colorRGBA() Creates a color value from red, green, blue components, which must range between 0 and 255, and an alpha component which must range between 0 and 1.
Expression	colorToRGBA() Returns a four-element array containing the input color's red, green, blue, and alpha components, in that order.
Expression	getExpression() Determines which expression to use.

Methods inherited from class MBExpression

canCreate, create, getName, throwInsufficientArgumentCount, throwUnexpectedArgumentCount, transformExpression, transformLiteral

Methods inherited from class FunctionImpl

accept, dispatchArguments, equals, evaluate, functionName, getFallbackValue, getFunctionName, getParameters, getParameterValue, getParameterValue, hashCode, setFallbackValue, setName, setParameters, toString

Methods inherited from class ExpressionAbstract

evaluate

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface Expression

evaluate

Constructor Detail

MBColor

public MBColor(JSONArray json)

Method Detail

colorRGB

public Expression colorRGB()

Creates a color value from red, green, and blue components, which must range between 0 and 255, and an alpha component of 1. If any component is out of range, the expression is an error. Example: ["rgb", number, number, number]: color

Returns:

Color expression

colorRGBA

public Expression colorRGBA()

Creates a color value from red, green, blue components, which must range between 0 and 255, and an alpha component which must range between 0 and 1. If any component is out of range, the expression is an error. Example: ["rgba", number, number, number, number]: color

Returns:

Color expression

colorToRGBA

public Expression colorToRGBA()

Returns a four-element array containing the input color's red, green, blue, and alpha components, in that order. Example: ["to-rgba", color]: array<number, 4>

Returns:

color expression

getExpression

public Expression getExpression()
                         throws MBFormatException

Description copied from class: MBExpression

Determines which expression to use.

Specified by:

getExpression in class MBExpression

Throws:

MBFormatException